com.baidu.brpc.interceptor

接口 Interceptor

所有已知实现类:

AbstractInterceptor, ClientTraceInterceptor, CurrentLimitInterceptor, LoadBalanceInterceptor, ServerInvokeInterceptor, ServerPushInterceptor, ServerTraceInterceptor

public interface Interceptor

The client or server intercepts the interface. The reason for dividing the two functions is that in the asynchronous scenario, the request and response cannot be obtained at the same time.

作者:

Li Yuanxin(liyuanxin@baidu.com)

方法概要

限定符和类型	方法和说明
void	aroundProcess(Request request, Response response, InterceptorChain chain) The around intercept for RPC methods.
boolean	handleRequest(Request request) This method is called in two scenarios: Before the client sends the request; Before the server processes the request.
void	handleResponse(Response response) This method is called in two scenarios: Before the server sends the response; After the client receives the response.

方法详细资料

handleRequest

boolean handleRequest(Request request)

This method is called in two scenarios: Before the client sends the request; Before the server processes the request.

参数:

request - request content, when the business is implemented, it needs to be converted into the type required by the specific protocol.

返回:

True means continue execution, false means stop execution and return

handleResponse

void handleResponse(Response response)

This method is called in two scenarios: Before the server sends the response; After the client receives the response.

参数:

response - server response content, when the business is implemented, it needs to be converted into the type

aroundProcess

void aroundProcess(Request request,
                   Response response,
                   InterceptorChain chain)
            throws Exception

The around intercept for RPC methods. Attention: only around the request sending for async client

参数:

chain - interceptor chain

response - sync result or async future

chain - the interceptor call chain

抛出:

Exception